Home / 1,364,372.67-1,883,572.47-820,629.84

Finding the Fourth Proportional to 1,364,372.67, 1,883,572.47 and 820,629.84

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Solution

The fourth proportional to 1,364,372.67, 1,883,572.47 and 820,629.84 is: 1,132,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,372.67 : 1,883,572.47 = 820,629.84 : x
  2. Step 2: Convert to fraction form
    1,364,372.67/1,883,572.47 = 820,629.84/x
  3. Step 3: Cross multiply
    1,364,372.67x = 1,883,572.47 × 820,629.84
  4. Step 4: Simplify right side
    1,364,372.67x = 1,545,715,774,684.50
  5. Step 5: Solve for x
    x = 1,545,715,774,684.50/1,364,372.67
  6. Step 6: Final answer
    x = 1,132,913.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.